clear all; close all;

t = 0:200;
T2 = 50;
A = 0.5;
Env = A*exp(-t/T2);
S = sin(t);
plot(Env.*S); axis off;
hold on;
plot(Env,'--');
plot(-Env,'--');
text(40,0.3,'T_{2}^{*} Decay','FontSize',14);
saveas(gcf,'../Figures/T2Decay','eps');